To Cook
In a big pot, add oil and stir-fry prawn heads until aromatic.
Add water and paste into pot and bring to boil.
Add spare ribs and cook on medium heat for 30 mins. Remove spare ribs.
Cook prawns in the soup and remove prawns when fully cooked.
In a separate pot of boiling water, blanch the bean sprouts until cooked. Drain and set aside.
Blanch the water spinach until cooked. Drain and set aside.
To Serve
Place rice vermicelli and yellow noodles into serving bowls, top with hot soup.
Add bean sprouts, water spinach, egg, spare ribs and prawns. Garnish with fried shallots.
